Finding the Fourth Proportional to 112,378.27, 168,592.03 and 42,257.59

Step by Step Solution

1. Step 1: Write the proportion equation
   112,378.27 : 168,592.03 = 42,257.59 : x
2. Step 2: Convert to fraction form
   112,378.27/168,592.03 = 42,257.59/x
3. Step 3: Cross multiply
   112,378.27x = 168,592.03 × 42,257.59
4. Step 4: Simplify right side
   112,378.27x = 7,124,292,881.01
5. Step 5: Solve for x
   x = 7,124,292,881.01/112,378.27
6. Step 6: Final answer
   x = 63,395.64